Artery - Blood vessels that carry blood away from the heart. They have thick walls to handle the high pressure, Vein - Blood vessels that carry blood to the heart. They have thinner walls and special valves that keep blood flowing in the correct direction., Capillary - The smallest of blood vessels that are small and have very thin walls. They are important for allowing gases, nutrients and waste to enter/exit the bloodstream, Red blood cell - Specialised cells that carry oxygen around the body, White blood cell - Specialised cells in the blood that are part of the immune system. There are 2 types: lymphocytes and phagocytes, Platelet - Part of the blood that helps to form blood clots. This component is important for repairing wounds, Plasma - The liquid component of blood that is about 90% water, Left atrium - Chamber of the heart that receives blood from the lungs via the pulmonary vein, Left Ventricle - Chamber of the heart that pumps blood to the body via the aorta, Right Atrium - Chamber of the heart that receives blood from the body via the vena cava, Right Ventricle - Chamber of the heart that pumps blood to the lungs through the pulmonary artery, Pulmonary circulation - Chamber of the heart that pumps deoxygenated blood to the lungs where oxygen is added and carbon dioxide is removed, Systemic circulation - The supply of oxygenated blood to the body, Coronary circulation - The circulation that supplies the heart tissue (muscle) with oxygenated blood, Heart rate - The number of times the heart beats per minute, Stroke volume - The volume of blood pumped out of the left ventricle per beat, Cardiac output - The volume of blood (litres) pumped out of the left ventricle per minute=Heart rate X Stroke volume,

Science Circulatory System

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